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NCT07575932PHASE2Recruiting

A Study of PF-08653945 and PF-08653944 in Adults With Overweight or Obesity (SOLIS-1)

Pfizer

Start Date

5/11/2026

Completion Date

1/5/2028

Summary

This study is being done to learn about the safety and effects of the study drugs, PF-08653945 and PF-08653944, when given alone or together for weight loss, compared to a placebo (a dummy drug that has no active ingredient in it).

Eligibility Criteria

Age Range: 18 years to No maximum

Inclusion Criteria: Eligible participants for this study include: * adults aged 18 years or older with * obesity (BMI of 30.0 kg/m2 to 50.0 kg/m2) or with * overweight (BMI of 27.0 kg/m2 to \<30.0 kg/m2) who also have at least 1 prespecified weight-related comorbidity (hypertension, dyslipidemia, cardiovascular disease, or obstructive sleep apnea), at the screening visit. Exclusion Criteria: Participants who are not eligible include those with diabetes mellitus, a body weight change of \>5% or use of weight loss medications in the 12 weeks prior to screening, a history of or plan for surgical treatment for obesity, and those who are unable or unwilling to comply with contraceptive requirements or are pregnant or lactating.

Interventions

DRUG

PF-08653945

DRUG

PF-08653944

DRUG

Placebo

Interested in This Trial?

Contact the trial locations directly using the information below to learn more about enrollment.

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Conditions

OverweightObesityOverweight and/or ObesityOverweight or ObesityOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody Weight

Locations

Arizona Clinical Trials-Chandler

Chandler, Arizona 85225

United States

Clinical Research Institute of Arizona

Sun City West, Arizona 85375

United States

Arizona Clinical Trials (ACT) - Tucson

Tucson, Arizona 85711

United States

San Fernando Valley Health Institute

Canoga Park, California 91304

United States

Ark Clinical Research

Fountain Valley, California 92708

United States

Paragon Rx Clinical

Garden Grove, California 92840

United States

Torrance Clinical Research Institute, Inc.

Lomita, California 90717

United States

Ark Clinical Research

Long Beach, California 90815

United States

Collaborative Neuroscience Research, LLC

Los Alamitos, California 90720

United States

Paradigm Clinical Research-Modesto

Modesto, California 95355

United States

Paradigm Clinical Research Centers, LLC

San Diego, California 92108

United States

University Clinical Investigators, Incorporated

Tustin, California 92780

United States

Diablo Clinical Research, LLC dba Flourish Research

Walnut Creek, California 94598

United States

AGA Clinical Trials

Hialeah, Florida 33012

United States

Westside Center for Clinical Research

Jacksonville, Florida 32205

United States

New Horizon Research Center

Miami, Florida 33165

United States

Charter Research

Orlando, Florida 32803

United States

Atlanta Diabetes Associates

Atlanta, Georgia 30318

United States

Clinical Research Atlanta

Stockbridge, Georgia 30281

United States

Koch Family Medicine Clinical Research/Elite Research Network

Morton, Illinois 61550

United States

Bioluminux Clinical Research Illinois

Naperville, Illinois 60540

United States

Johnson County Clinical Trials

Lenexa, Kansas 66219

United States

DelRicht Research

Mandeville, Louisiana 70471

United States

DelRicht Research

Prairieville, Louisiana 70769

United States

Patient First Clinical Trials (PFCTRIALS)

Lutherville, Maryland 21093

United States

DelRicht Research

Springfield, Missouri 65807

United States

Mercury Street Medical Group, PLLC

Butte, Montana 59701

United States

Alliance Clinical Research Las Vegas (Excel Clinical Research)

Las Vegas, Nevada 89109

United States

AB Clinical Trials

Las Vegas, Nevada 89119

United States

Palm Research Center

Las Vegas, Nevada 89128

United States

Bioluminux Clinical Research

Hamilton, New Jersey 08690

United States

DelRicht Research

Charlotte, North Carolina 28210

United States

Monroe Biomedical Research

Monroe, North Carolina 28112

United States

Piedmont Healthcare

Statesville, North Carolina 28625

United States

Accellacare - Wilmington

Wilmington, North Carolina 28401

United States

Tekton Research, LLC.

Edmond, Oklahoma 73013

United States

Preferred Primary Care Physicians

Pittsburgh, Pennsylvania 15236

United States

Preferred Primary Care Physicians, Inc.

Uniontown, Pennsylvania 15401

United States

Preferred Primary Care Physicians

Uniontown, Pennsylvania 15401

United States

TMA Headlands LLC (d/b/a Trial Management Associates)

Myrtle Beach, South Carolina 29572

United States

DelRicht Research

Hendersonville, Tennessee 37075

United States

Cedar Health Research - Euless

Euless, Texas 76040

United States

JCCT-JUNO NW Houston

Houston, Texas 77040

United States

Activian Clinical Research

Kingwood, Texas 77339

United States

3A Research

Plano, Texas 75093

United States

DelRicht Research @ Zomnir Family Medicine

Prosper, Texas 75078

United States

Worldwide Clinical Trials

San Antonio, Texas 78217

United States

Tekton Research, LLC.

San Antonio, Texas 78258

United States

Consano Clinical Research, LLC

Shavano Park, Texas 78231

United States

DM Clinical Research

Tomball, Texas 77375

United States

Alpine Medical Group

Salt Lake City, Utah 84102

United States

Wasatch Clinical Research, LLC

Salt Lake City, Utah 84107

United States

Washington Center for Weight Management and Research

Arlington, Virginia 22206

United States

Manassas Clinical Research Center

Manassas, Virginia 20110

United States

DelRicht Research

Vienna, Virginia 22182

United States

Viable Clinical Research Corporation

Bridgewater, Nova Scotia B4V 3N2

Canada

Aggarwal and Associates Limited

Brampton, Ontario L6T 0G1

Canada

Centricity Research Etobicoke Endocrinology

Etobicoke, Ontario M9R 4E1

Canada

Milestone Research Inc.

London, Ontario N5W 6A2

Canada

Bluewater Clinical Research Group Inc.

Sarnia, Ontario N7T 4X3

Canada

Dr. Anil K. Gupta Medicine Professional Corporation

Toronto, Ontario M9V 4B4

Canada

Centricity Research Toronto Manna Multispecialty

Toronto, Ontario M9W 4L6

Canada

Ecogene-21

Chicoutimi, Quebec G7H 7K9

Canada

Centricity Research Mirabel Multispecialty

Mirabel, Quebec J7J 2K8

Canada

Recherche GCP Research

Montreal, Quebec H1Y 3H5

Canada